decade十: ten一组: a set; a group; a piece; a b ...二十个一组的东西: twenty八个一组: eight; octad; octette; octonary八个一组的: octal下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:十个一组，即可在微信中查询翻译
